Removes double colon on script comments
A few comment lines on stack.sh had two colons where only one colon
was necessary.
Change-Id: Ia02e1ca28a8fadc2e5477201887a1f4d59996db8
diff --git a/stack.sh b/stack.sh
index d8f3ad6..759a8db 100755
--- a/stack.sh
+++ b/stack.sh
@@ -161,16 +161,16 @@
extract_localrc_section $TOP_DIR/local.conf $TOP_DIR/localrc $TOP_DIR/.localrc.auto
# ``stack.sh`` is customizable by setting environment variables. Override a
-# default setting via export::
+# default setting via export:
#
# export DATABASE_PASSWORD=anothersecret
# ./stack.sh
#
-# or by setting the variable on the command line::
+# or by setting the variable on the command line:
#
# DATABASE_PASSWORD=simple ./stack.sh
#
-# Persistent variables can be placed in a ``local.conf`` file::
+# Persistent variables can be placed in a ``local.conf`` file:
#
# [[local|localrc]]
# DATABASE_PASSWORD=anothersecret